90672400387 has 8 divisors (see below), whose sum is σ = 96015882816. Its totient is φ = 85330008192.

The previous prime is 90672400363. The next prime is 90672400393. The reversal of 90672400387 is 78300427609.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90672400387 - 2¹¹ = 90672398339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90672400307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98128 + ... + 437005.

It is an arithmetic number, because the mean of its divisors is an integer number (12001985352).

Almost surely, 2^90672400387 is an apocalyptic number.

90672400387 is a deficient number, since it is larger than the sum of its proper divisors (5343482429).

90672400387 is a wasteful number, since it uses less digits than its factorization.

90672400387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545117.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 90672400387 in words is "ninety billion, six hundred seventy-two million, four hundred thousand, three hundred eighty-seven".