88072997 has 2 divisors, whose sum is σ = 88072998. Its totient is φ = 88072996.

The previous prime is 88072979. The next prime is 88073009. The reversal of 88072997 is 79927088.

It is a happy number.

Together with previous prime (88072979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86694721 + 1378276 = 9311^2 + 1174^2 .

It is a cyclic number.

It is not a de Polignac number, because 88072997 - 2¹² = 88068901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88072097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44036498 + 44036499.

It is an arithmetic number, because the mean of its divisors is an integer number (44036499).

Almost surely, 2^88072997 is an apocalyptic number.

It is an amenable number.

88072997 is a deficient number, since it is larger than the sum of its proper divisors (1).

88072997 is an equidigital number, since it uses as much as digits as its factorization.

88072997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 88072997 is about 9384.7214662983. The cubic root of 88072997 is about 444.9189719068.

The spelling of 88072997 in words is "eighty-eight million, seventy-two thousand, nine hundred ninety-seven".