88551001631 has 2 divisors, whose sum is σ = 88551001632. Its totient is φ = 88551001630.

The previous prime is 88551001597. The next prime is 88551001793. The reversal of 88551001631 is 13610015588.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88551001631 - 2¹⁴ = 88550985247 is a prime.

It is a super-2 number, since 2×88551001631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88551021631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44275500815 + 44275500816.

It is an arithmetic number, because the mean of its divisors is an integer number (44275500816).

Almost surely, 2^88551001631 is an apocalyptic number.

88551001631 is a deficient number, since it is larger than the sum of its proper divisors (1).

88551001631 is an equidigital number, since it uses as much as digits as its factorization.

88551001631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 38.

The spelling of 88551001631 in words is "eighty-eight billion, five hundred fifty-one million, one thousand, six hundred thirty-one".