88780454 has 12 divisors (see below), whose sum is σ = 154913004. Its totient is φ = 38048724.

The previous prime is 88780453. The next prime is 88780487. The reversal of 88780454 is 45408788.

It is a super-2 number, since 2×88780454² = 15763938024892232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88780451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 452864 + ... + 453059.

It is an arithmetic number, because the mean of its divisors is an integer number (12909417).

Almost surely, 2^88780454 is an apocalyptic number.

88780454 is a deficient number, since it is larger than the sum of its proper divisors (66132550).

88780454 is a wasteful number, since it uses less digits than its factorization.

88780454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905939 (or 905932 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 88780454 is about 9422.3380325692. The cubic root of 88780454 is about 446.1070848259.

The spelling of 88780454 in words is "eighty-eight million, seven hundred eighty thousand, four hundred fifty-four".